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https://issues.apache.org/activemq/browse/CAMEL-1656?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=57422#action_57422
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Claus Ibsen commented on CAMEL-1656:
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And you can have placeholders in the properties file itself, which Camel will
resolve as well (think recursive)
{code}
cool.end=mock:result
cool.result=result
cool.concat=mock:#{cool.result}
cool.start=direct:cool
cool.showid=true
{code}
> Properties file component - And allow simple language to access the properties
> ------------------------------------------------------------------------------
>
> Key: CAMEL-1656
> URL: https://issues.apache.org/activemq/browse/CAMEL-1656
> Project: Apache Camel
> Issue Type: New Feature
> Components: camel-core
> Reporter: Claus Ibsen
> Assignee: Claus Ibsen
> Fix For: 2.3.0
>
>
> People using Spring XML as DSL is challenged with the fact they dont have a
> real programming language under the cover.
> And people do not want to hardcode values/options in the DSL directly. And
> spring property placeholder support is limited in what it can do.
> So we need for now our own properties component that can load a properties
> file from classpath. Leverage the spring resource endpoint that can do this.
> And let the simple language be able to access these properties as well so
> people can use it in expressions
> {code}
> <simple>${propertiesfile:foo:email}</simple>
> {code}
> And the properties file is could be define something like:
> {code}
> <endpoint id="foo" url="propertiesfile://META-INF/myprops.properties"/>
> {code}
> And the file content
> {code}
> email=some...@somewhere.org
> {code}
> Need to think a bit about how to define the properties file. If we can allow
> you to define it as a url or as a ref.
> For instance the simple expression could be:
> {code}
> <simple>${propertiesfile:classpath://META-INF/myprops.properties:email}</simple>
> {code}
> The above is for quick and dirty.
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